Abstract
Four-wheel steering is used to improve maneuverability in light motor vehicles. In standard two-wheel steering vehicles the rear wheels do not play role in association with the steering and follow the path of the front wheels. In four wheels steering the wheels can be rotated either left or right as per the requirements. Rear wheels can be rotated in same phase as the front or in opposite phase. In four-wheel system is designed to function in 3 modes namely, in-phase rotation, counter-phase rotation and zero rotation. The selection and change between modes can be done by simple push of the lever. The front rack is connected to a custom-made selector box at the rear via a linkage, the selector designed to achieve the 3 modes. It helps achieve a reduction in turning radius about 20% to 30%. This system allows the vehicle to have reduced understeer and oversteer of vehicles. The vehicle has a turning motion with reduced radius in counter-phase and sliding motion in in-phase.
Published Version (
Free)
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